Sometimes life can only be understood backwards; but it must be lived forwards.

有時(shí)候，只有向后看才能明白人生的意義，但生活的腳步必須向前進(jìn)。

語(yǔ)言點(diǎn)：life can only be understood 和it must be lived forwards為被動(dòng)語(yǔ)態(tài)

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